- 2 Tháng sáu 2018
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- Thái Nguyên
- Trường THCS Chu Văn An
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
Tính nhanh :
a) ( 2 + 4 + 6 +...+ 100 ) x ( 36 x 333 - 108 x 111 )
b) 101 + 103 + 105 + ... + 199 + 201
c) 7 + 11 + 15 + 19 + ... + 279 + 283
d) 367 + 361 + 355 + 7 + 1
Giúp em vs ...![QooBee 6 :rongcon6 :rongcon6](/data/emoji/QooBee/QooBee_6.gif)
![QooBee 6 :rongcon6 :rongcon6](/data/emoji/QooBee/QooBee_6.gif)
![QooBee 6 :rongcon6 :rongcon6](/data/emoji/QooBee/QooBee_6.gif)
a) ( 2 + 4 + 6 +...+ 100 ) x ( 36 x 333 - 108 x 111 )
b) 101 + 103 + 105 + ... + 199 + 201
c) 7 + 11 + 15 + 19 + ... + 279 + 283
d) 367 + 361 + 355 + 7 + 1
Giúp em vs ...
![QooBee 6 :rongcon6 :rongcon6](/data/emoji/QooBee/QooBee_6.gif)
![QooBee 6 :rongcon6 :rongcon6](/data/emoji/QooBee/QooBee_6.gif)
![QooBee 6 :rongcon6 :rongcon6](/data/emoji/QooBee/QooBee_6.gif)
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